Computer Science Chapter 9: Introduction to Data Access – Class 12 Overview
Chapter 9, Introduction to Data Access, is an important topic in Class 12 Computer Science and is essential for students preparing for FSC board exams as well as competitive entry tests like NUST, FAST, ECAT, and NTS. This chapter introduces the basics of accessing data from databases, data access methods, and the role of database connectivity in applications. Understanding data access concepts helps students learn how information is retrieved, updated, and managed efficiently in computerized systems.
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14. Which of the following characters cannot be used as first character of a variable name?
3. Which of the data type offers the highest precision?
is not a valid variable
How many keywords are in C?
11. Which of the operator has lowest presidence
18. a b is equivalent to
20. elements of program in not token:
A quantity whose value cannot change during execution of
10. The symbol = represents:
5. The predefined words of the programming language that are used for special purposes in the source program are called:
12. Relational operators are used to
17. The logical not (!) operator is denoted as:
16. C is a strongly typed language, this means that:
1. Variables are created in
4. When the result of the computation of two very small numbers is too small to be represented, this phenomenon is called:
13. is valid variable name
2. Which of the following is a valid character constant?
19. The words used to write the statements of a program are called
. A quantity whose value may change during execution of program is called:
15. In C, the maximum length of variable name is:
Importance of Data Access for Exams
Strong knowledge of data access concepts improves logical understanding and practical awareness of database operations. Students can confidently attempt MCQs and theory-based questions related to data retrieval, database connectivity, and data management techniques. Regular practice ensures better preparation for both entry test questions and FSC board examinations.
PLS Academy Chapter-Wise Computer Science Preparation
PLS Academy provides chapter-wise preparation for Introduction to Data Access with clear explanations, exam-focused notes, and practice MCQs. With structured guidance and targeted practice, students can strengthen their understanding of data access concepts and achieve higher scores in entry tests and FSC board exams.
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